The hex color #3e935d is a dark color. The web-safe version is Hex
#339966. A complementary color is
#C16CA2. The grayscale version is
#656565. A 20% lighter version of the original color is
#71C690, and Hex
#0B602A is the 20% darker color. If the color is saturated by 10%, you get
#3A985C. If the color is desaturated by 10%, the color
#428E5E is obtained.